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Side by Side Diff: media/blink/webmediaplayer_delegate.h

Issue 1996043002: Split MediaContentType and AudioFocusType (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fixed desktop build & tests Created 4 years, 5 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ 5 #ifndef MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_
6 #define MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ 6 #define MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_
7 7
8 namespace blink { 8 namespace blink {
9 class WebMediaPlayer; 9 class WebMediaPlayer;
10 } 10 }
11 namespace media { 11 namespace media {
12 12
13 enum class MediaContentType;
14
13 // An interface to allow a WebMediaPlayer to communicate changes of state to 15 // An interface to allow a WebMediaPlayer to communicate changes of state to
14 // objects that need to know. 16 // objects that need to know.
15 class WebMediaPlayerDelegate { 17 class WebMediaPlayerDelegate {
16 public: 18 public:
17 class Observer { 19 class Observer {
18 public: 20 public:
19 // Called when the WebMediaPlayer enters the background or foreground 21 // Called when the WebMediaPlayer enters the background or foreground
20 // respectively. Note: Some implementations will stop playback when hidden, 22 // respectively. Note: Some implementations will stop playback when hidden,
21 // and thus subsequently call WebMediaPlayerDelegate::PlayerGone(). 23 // and thus subsequently call WebMediaPlayerDelegate::PlayerGone().
22 virtual void OnHidden() = 0; 24 virtual void OnHidden() = 0;
(...skipping 21 matching lines...) Expand all
44 // Subscribe or unsubscribe from observer callbacks respectively. A client 46 // Subscribe or unsubscribe from observer callbacks respectively. A client
45 // must use the delegate id returned by AddObserver() for all other calls. 47 // must use the delegate id returned by AddObserver() for all other calls.
46 virtual int AddObserver(Observer* observer) = 0; 48 virtual int AddObserver(Observer* observer) = 0;
47 virtual void RemoveObserver(int delegate_id) = 0; 49 virtual void RemoveObserver(int delegate_id) = 0;
48 50
49 // The specified player started playing media. 51 // The specified player started playing media.
50 virtual void DidPlay(int delegate_id, 52 virtual void DidPlay(int delegate_id,
51 bool has_video, 53 bool has_video,
52 bool has_audio, 54 bool has_audio,
53 bool is_remote, 55 bool is_remote,
54 base::TimeDelta duration) = 0; 56 media::MediaContentType media_content_type) = 0;
55 57
56 // The specified player stopped playing media. This may be called at any time 58 // The specified player stopped playing media. This may be called at any time
57 // with or without a DidPlay() having previously occurred. Calling this will 59 // with or without a DidPlay() having previously occurred. Calling this will
58 // cause the delegate to be registered for idle suspension. I.e., after some 60 // cause the delegate to be registered for idle suspension. I.e., after some
59 // time elapses without a DidPlay(), OnSuspendRequested() will be issued. 61 // time elapses without a DidPlay(), OnSuspendRequested() will be issued.
60 virtual void DidPause(int delegate_id, bool reached_end_of_stream) = 0; 62 virtual void DidPause(int delegate_id, bool reached_end_of_stream) = 0;
61 63
62 // The specified player was destroyed or suspended and will no longer accept 64 // The specified player was destroyed or suspended and will no longer accept
63 // Observer::OnPlay() or Observer::OnPause() calls. This may be called 65 // Observer::OnPlay() or Observer::OnPause() calls. This may be called
64 // multiple times in row. Note: Clients must still call RemoveObserver() to 66 // multiple times in row. Note: Clients must still call RemoveObserver() to
65 // unsubscribe from callbacks. 67 // unsubscribe from callbacks.
66 virtual void PlayerGone(int delegate_id) = 0; 68 virtual void PlayerGone(int delegate_id) = 0;
67 69
68 // Returns whether the render frame is currently hidden. 70 // Returns whether the render frame is currently hidden.
69 virtual bool IsHidden() = 0; 71 virtual bool IsHidden() = 0;
70 72
71 protected: 73 protected:
72 virtual ~WebMediaPlayerDelegate() {} 74 virtual ~WebMediaPlayerDelegate() {}
73 }; 75 };
74 76
75 } // namespace media 77 } // namespace media
76 78
77 #endif // MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_ 79 #endif // MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_
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